393 search results - page 25 / 79 » Implementing Role Based Access Control for Federated Informa... |
JCDL
2004
ACM
14 years 25 days ago
2004
ACM
Information retrieval (IR) functions serve a critical role in many digital library systems. There are numerous mature IR algorithms that have been implemented and it will be a was...
SIGMOD
1998
ACM
13 years 11 months ago
1998
ACM
Most databases contain “name constants” like course numbers, personal names, and place names that correspond to entities in the real world. Previous work in integration of het...
SP
2007
IEEE
14 years 1 months ago
2007
IEEE
In several distributed systems a user should only be able to access data if a user posses a certain set of credentials or attributes. Currently, the only method for enforcing such...
HT
2003
ACM
14 years 20 days ago
2003
ACM
Through scenarios in the popular press and technical papers in the research literature, the promise of the Semantic Web has raised a number of different expectations. These expect...
VLDB
1998
ACM
13 years 11 months ago
1998
ACM
Numerous applications such as stock market or medical information systems require that both historical and current data be logically integrated into a temporal database. The under...